What Mack horn

Hi picking new truck up in a few days. 2016 chevy 2500. I want to get horn to make it sound like a Mack truck. How or what should I get to do that? Any idea where I can mount it. Not looking to do in the bed

look at hornblasters mother trucker horn.
https://www.hornblasters.com/products/details.php?i=mother-trucker-horn-chrome

Personally take a look at the shockers too they are great. Also the safely horn i just got and it sounds amazing